Microscope structure and function

The smallest unit of life is ____

• a protist

• an atom

• bacteria

• a cell

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

Prokaryote ___

• contain simple cells

• are unicellular

• alway have a flagellum

• are a product of endosymbiosis

Tags

NGSS.MS-LS1-1

What is wrong this how the student is carrying the microscope in the image?

• They are using two hands.
• They are carrying it close to their body.
• The plug is not wrapped around the base.
• They are walking. 

All cells come from...

• existing cells

• matter

• spontaneous generation

• electrical impulses

Tags

NGSS.MS-LS1-1

When observing cells, which of the following optical tools is most appropriate?

• Hand lens
• Telescope
• Petri dish
• Microscope

The arrow is pointing to this part of the microscope.

• eye piece

• stage

• objective lenses

• arm

When looking at a specimen on your slide, you should always start with the

• low objective lens
• medium objective lens
• high objective lens
• super extra high power lens

The__________ sharpens the image under high magnification.

• the diaphragm
• fine adjustment knob
• coarse adjustment knob
• the ocular

The _______focuses the image under low power.

• revolving nosepiece
• fine adjustment knob
• coarse adjustment knob
• arm/neck

The lens you look through, closest to the top of the microscope, is called the

• objective lens
• ocular lens
• diaphragm
• light source